.home {
  $f: 19.2;

  .banner {
    position: relative;

    &::before {
      content: '';
      display: block;
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, .2);
    }

    img {
      width: 100%;
      display: block;
      object-fit: cover;
      height: 33vh;
    }

    .text {
      position: absolute;
      left: 0;
      width: 100%;
      bottom: 30/$f+vw;
      color: white;
      padding: 0 200/$f+vw;

      .p1 {
        font-size: 30/$f+vw;
        font-weight: 600;
        line-height: 1;
      }

      .des {
        font-size: 20/$f+vw;
        margin-top: 20/$f+vw;
        line-height: 1.3;
        font-weight: 200;
      }
    }
  }

  .nav_menu {
    background: #F5F5F5;
    padding: 0 200/$f+vw;
    display: flex;
    align-items: center;

    a {
      display: block;
      padding: 20/$f+vw 44/$f+vw;
      color: #222;
      font-size: 17/$f+vw;
      line-height: 1.2;
      transition: all 600ms;
      cursor: pointer;

      &:hover {
        background: #FFF;
        color: #E6001A;
      }
    }

    .on {
      background: #FFF;
      color: #E6001A;
    }

    span {
      width: 1px;
      height: 10/$f+vw;
      background: #CCC;
    }
  }

  .section1{
    margin: 120/$f+vw 200/$f+vw;
    display: flex;
    justify-content: space-between;
    .l{
      width: 680/$f+vw;
      .p1{
        color: #000;
        font-size: 24/$f+vw;
        line-height: 1.45;
      }
      .p2{
        color: #000;
        font-size: 24/$f+vw;
        border-bottom: 1px solid #000;
        width: fit-content;
        margin: 60/$f+vw 0 220/$f+vw 0;
      }
      .p3{
        .pt{
          color: #000;
          font-size: 24/$f+vw;
          line-height: 1.12;
        }
        .des{
          color:rgba(0, 0, 0, 0.6);
          font-size: 24/$f+vw;
          line-height: 1.5;
          margin-top: 18/$f+vw;
        }
      }
    }
    .r{
      width: 666/$f+vw;
      overflow: hidden;
      img{
        width: 100%;
        display: block;
        object-fit: cover;
        transition: all 600ms;
      }
      &:hover{
        img{
          transform: scale(1.05);
        }
      }
    }
  }

  .section4{
    margin: 180/$f+vw 270/$f+vw 184/$f+vw 200/$f+vw;
    .t{
      .cn{
        color: #000;
        font-size: 32/$f+vw;
        &::before {
          content: '';
          display: block;
          width: 30/$f+vw;
          height: 2/$f+vw;
          background: rgba(34, 34, 34, 1);
          margin-bottom: 20/$f+vw;
        }
      }
      .en{
        color:rgba(0, 0, 0, 0.5);
        font-size: 32/$f+vw;
        text-transform: uppercase;
        font-weight: 700;
        opacity: .3;
        margin-top: 6/$f+vw;
      }
    }
    .wrap{
      display: flex;
      justify-content: space-between;
      margin-top: 263/$f+vw;
      align-items: center;
      position: relative;
      .l{
        width: 359/$f+vw;
        text-align: center;
        .p1{
          color: #000;
          font-size: 42/$f+vw;
          line-height: 0.9;
        }
        .p2{
          color: #000;
          opacity: .6;
          font-size: 42/$f+vw;
          font-weight: 700;
          margin-top: 85/$f+vw;
          text-transform: uppercase;
        }
      }
      .r{
        .pic{
          position: absolute;
          right:404/$f+vw;
          top:-153/$f+vw;
          img{
            width: 515/$f+vw;
            display: block;
          }
        }
        .pic2{
          position: relative;
          z-index: 1;
          img{
            width: 515/$f+vw;
            display: block;
          }
        }
      }
    }
    .des{
      margin-top: 79/$f+vw;
      color: #666;
      font-size: 16/$f+vw;
      line-height: 1.62;
    }
  }


  @media screen and (max-width: 1024px) {
    .banner {
      img {
        height: 300px;
      }
    }

    .nav_menu {
      padding: 0;
      flex-wrap: wrap;
      a {
        padding: 15px 10px;
        font-size: 14px;
      }

      span {
        height: 10px;
      }
    }
    .section1{
      flex-direction: column;
      margin: 30px 5%;
      .l{
        width: 100%;
        .p1{
          font-size: 24px;
        }
        .p2{
          font-size: 18px;
          margin: 30px 0 60px 0;
        }
        .p3{
          .pt{
            font-size: 18px;
          }
          .des{
            font-size: 16px;
          }
        }
      }
      .r{
        width: 100%;
        margin-top: 20px
      }
    }
    .section4{
      margin: 60px 5%;
      overflow: hidden;
      .t{
        .cn{
          font-size: 24px;
        &::before{
          width: 30px;
          height: 2px;
          margin-bottom: 15px;
        }
        }
        .en{
          font-size: 24px;
        }
      }
      .wrap{
        margin-top: 30px;
        .l{
          margin-left: 0;
          width: fit-content;
          .p1{
            font-size: 20px;
          }
          .p2{
            font-size: 20px;
          }
        }
        .r{
          .pic{
            position: static;
            margin-bottom: 10px;
            img{
              width: 200px;
            }
          }
          .pic2{
            img{
              width: 200px;
            }
          }
        }
      }
      .des{
        font-size: 16px;
        margin-top: 30px;
      }
     }
  }

}